The printk function relies on a feature of the C language called string literal concatenation.

printk 是基于C语言中一个名为字符串逐字连接 的特性。

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Concatenation is the process to sequentially join multiple pieces of data, usually literal strings with non-string-literal data (most commonly, variables or other literals).

连接操作是一个顺序的连接多个数据片段的过程，通常是连接字符串和非字符串数据(绝大多数是变量或其它字符)。

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Concatenation is the process to sequentially join multiple pieces of data, usually literal strings with non-string-literal data (most commonly, variables or other literals).

连接操作是一个顺序的连接多个数据片段的过程，通常是连接字符串和非字符串数据(绝大多数是变量或其它字符)。

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